The Florentine Dagger

A detective starts spiraling out of control when a wave of gruesome murders with seemingly similar bizarre circumstances is sweeping Tokyo.

Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.

A British psychiatrist devises a devilish revenge plot against his wife's lover.

Art editor Madeleine Damian carries on numerous loveless affairs. After a failed relationship with advertiser Felix Courtland, the increasingly depressed Madeleine attempts suicide. When Jack Garet, her secretary and former lover, tries to blackmail her, Madeleine resigns and seeks a reclusive life. Neighbor David Cousins befriends Madeleine, but soon Courtland and Garet discover her whereabouts and disrupt her new life.

The search for a child murderer drags a once-respected detective into an all-consuming obsession.

Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a theft of information that will allow Mabuse to make huge profits on the stock exchange. Afterwards, Mabuse disguises himself and attends the Folies Bergères show, where Cara Carozza, the main attraction of the show, passes him information on Mabuse's next intended victim, the young millionaire Edgar Hull. Mabuse then uses psychic manipulation to lure Hull into a card game where he loses heavily. When Police Commissioner von Wenk begins an investigation of this mysterious crime spree, he has little to go on, and he needs to find someone who can help him.

Clarice Starling is a top student at the FBI's training academy. Jack Crawford wants Clarice to interview Dr. Hannibal Lecter, a brilliant psychiatrist who is also a violent psychopath, serving life behind bars for various acts of murder and cannibalism. Crawford believes that Lecter may have insight into a case and that Starling, as an attractive young woman, may be just the bait to draw him out.

Arthur Simon Simpson is a small-time crook biding his time in Greece. One of his potential victims turns out to be a gentleman thief planning to steal the emerald-encrusted dagger of the Mehmed II from Istanbul's Topkapi Museum.

Complete strangers stranded at a remote desert motel during a raging storm soon find themselves the target of a deranged murderer. As their numbers thin out, the travelers begin to turn on each other, as each tries to figure out who the killer is.

Psychiatrist Sam Foster has a new patient, Henry Letham, who claims to be suicidal. In trying to diagnose him, Sam visits Henry's prior therapist and also finds Henry's mother - even though Henry has said that he murdered both of his parents. As reality starts to contradict fact, Sam spirals into an unstable mental state. Then he finds a clue as to how and when Henry may try to kill himself, and races to try to stop him.

While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.